11320545 has 8 divisors (see below), whose sum is σ = 18112896. Its totient is φ = 6037616.

The previous prime is 11320537. The next prime is 11320553. The reversal of 11320545 is 54502311.

11320545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11320537) and next prime (11320553).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11320545 - 2³ = 11320537 is a prime.

It is a super-3 number, since 3×11320545³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377337 + ... + 377366.

It is an arithmetic number, because the mean of its divisors is an integer number (2264112).

Almost surely, 2^11320545 is an apocalyptic number.

11320545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11320545 is a deficient number, since it is larger than the sum of its proper divisors (6792351).

11320545 is an equidigital number, since it uses as much as digits as its factorization.

11320545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754711.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 11320545 is about 3364.6017594955. The cubic root of 11320545 is about 224.5376183442.

Adding to 11320545 its reverse (54502311), we get a palindrome (65822856).

The spelling of 11320545 in words is "eleven million, three hundred twenty thousand, five hundred forty-five".